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https://www.readbyqxmd.com/read/28807298/using-a-rule-based-envelope-model-to-predict-the-expansion-of-habitat-suitability-within-new-zealand-for-the-tick-haemaphysalis-longicornis-with-future-projections-based-on-two-climate-change-scenarios
#1
K E Lawrence, S R Summers, A C G Heath, A M J McFadden, D J Pulford, A B Tait, W E Pomroy
Haemaphysalis longicornis is the only species of tick present in New Zealand which infests livestock and is also the only competent vector for Theileria orientalis. Since 2012, New Zealand has suffered from an epidemic of infectious bovine anaemia associated with T. orientalis, an obligate intracellular protozoan parasite of cattle and buffaloes. The aim of this study was to predict the spatial distribution of habitat suitability of New Zealand for the tick H. longicornis using a simple rule-based climate envelope model, to validate the model against published data and use the validated model to project an expansion in habitat suitability for H...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28800590/assessment-and-optimization-of-theileria-parva-sporozoite-full-length-p67-antigen-expression-in-mammalian-cells
#2
Giulia Tebaldi, Laura B Williams, Andrea E Verna, Francesca Macchi, Valentina Franceschi, Lindsay M Fry, Donald P Knowles, Gaetano Donofrio
Delivery of various forms of recombinant Theileria parva sporozoite antigen (p67) has been shown to elicit antibody responses in cattle capable of providing protection against East Coast fever, the clinical disease caused by T. parva. Previous formulations of full-length and shorter recombinant versions of p67 derived from bacteria, insect, and mammalian cell systems are expressed in non-native and highly unstable forms. The stable expression of full-length recombinant p67 in mammalian cells has never been described and has remained especially elusive...
August 11, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28797301/sialotranscriptomics-of-rhipicephalus-zambeziensis-reveals-intricate-expression-profiles-of-secretory-proteins-and-suggests-tight-temporal-transcriptional-regulation-during-blood-feeding
#3
Minique Hilda de Castro, Daniel de Klerk, Ronel Pienaar, D Jasper G Rees, Ben J Mans
BACKGROUND: Ticks secrete a diverse mixture of secretory proteins into the host to evade its immune response and facilitate blood-feeding, making secretory proteins attractive targets for the production of recombinant anti-tick vaccines. The largely neglected tick species, Rhipicephalus zambeziensis, is an efficient vector of Theileria parva in southern Africa but its available sequence information is limited. Next generation sequencing has advanced sequence availability for ticks in recent years and has assisted the characterisation of secretory proteins...
August 10, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28780889/cluster-analysis-of-the-clinical-histories-of-cattle-affected-with-bovine-anaemia-associated-with-theileria-orientalis-ikeda-type-infection
#4
K E Lawrence, S F Forsyth, B Vaatstra, A M J McFadden, D J Pulford, R Govindaraju, W E Pomroy
AIM: To determine the most commonly used words in the clinical histories of animals naturally infected with Theileria orientalis Ikeda type; whether these words differed between cases categorised by age, farm type or haematocrit (HCT), and if there was any clustering of the common words in relation to these categories. METHODS: Clinical histories were transcribed for 605 cases of bovine anaemia associated with T. orientalis (TABA), that were submitted to laboratories with blood samples which tested positive for T...
August 6, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28752214/prevalence-and-risk-factors-associated-with-theileria-parva-infection-in-cattle-in-three-regions-of-tanzania
#5
Isack I Kerario, Martin C Simuunza, Sebastian W Chenyambuga, Marja Koski, Seong-Gu Hwang, Walter Muleya
Ticks and tickborne diseases (TBDs) are serious constraints to cattle production in Tanzania and other tropical and subtropical countries. Among the TBDs, East Coast fever (ECF) is the most important as it causes significant economic losses to the cattle industry in Tanzania. However, control of ECF in Tanzania has continued to be a challenge due to inadequate epidemiological information. The main objective of this study was to determine the epidemiological situation of Theileria parva infections in cattle kept under pastoral and agro-pastoral farming systems in Mara, Singida, and Mbeya regions of Tanzania...
July 27, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28750636/pathogenic-genotype-of-major-piroplasm-surface-protein-associated-with-anemia-in-theileria-orientalis-infection-in-cattle
#6
Suhee Kim, Do-Hyeon Yu, Jeong-Byoung Chae, Kyoung-Seong Choi, Hyeon-Cheol Kim, Bae-Keun Park, Joon-Seok Chae, Jinho Park
Serious disease outbreaks in cattle caused by Theileria orientalis have emerged in the Asia-Pacific region. Genetic variables of the major piroplasm surface protein (MPSP) expressed on the surface of the piroplasm inside T. orientalis-infected erythrocytes are considered to be associated with variation in the pathogenicity of T. orientalis. Our study describes the clinically relevant MPSP types associated with anemia in Theileria-infected cattle. These results revealed that MPSP expression plays an important role in hematological alterations in Theileria-infected cattle, and that MPSP type 1 is strongly associated with bovine anemia, which can be a potential target for the prevention of bovine theileriosis...
July 27, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28739301/a-new-pcr-assay-for-the-detection-and-differentiation-of-babesia-canis-and-babesia-vogeli
#7
Giada Annoscia, Maria Stefania Latrofa, Cinzia Cantacessi, Emanuela Olivieri, Maria Teresa Manfredi, Filipe Dantas-Torres, Domenico Otranto
Babesia spp. are globally distributed tick-borne protozoan parasites that infect the red blood cells of a wide range of vertebrate hosts, including humans. Diagnosis of babesiosis is often impeded by the transient presence of the parasites in peripheral blood, as well as by their pleomorphic nature. Given the reports of an expanding and, in some cases, sympatric geographical distribution of Babesia canis and Babesia vogeli in dogs and associated vectors, in Europe, the development of time-efficient and cost-effective diagnostic tools to detect and differentiate these two species is warranted...
July 8, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28718360/inflammatory-myopathy-in-horses-with-chronic-piroplasmosis
#8
Maria P Pasolini, Teresa B Pagano, Alessandro Costagliola, Davide De Biase, Barbara Lamagna, Luigi Auletta, Gerardo Fatone, Michele Greco, Pierpaolo Coluccia, Veneziano Veneziano, Claudio Pirozzi, Giuseppina Mattace Raso, Pasquale Santoro, Giuseppe Manna, Serenella Papparella, Orlando Paciello
Horses affected by chronic piroplasmosis may develop poor performance and muscle atrophy. Here we investigate the pathological and immunopathological aspects of myopathy occurring in chronic equine piroplasmosis. The study included 16 horses serologically positive for equine piroplasms presenting with clinical signs and supporting serum biochemical evidence of a myopathy. Skeletal muscle was evaluated by histopathology, immunohistochemistry, indirect immunofluorescence, and molecular detection of piroplasms and inflammatory cytokines in skeletal muscle...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28700320/problems-in-the-protection-of-reintroduced-przewalski-s-horses-equus-ferus-przewalskii-caused-by-piroplasmosis
#9
Munkhbat Tarav, Makoto Tokunaga, Tatsunari Kondo, Yuko Kato-Mori, Buho Hoshino, Usukhjargal Dorj, Katsuro Hagiwara
The objectives of our research on equine piroplasmosis were to clarify the prevalence of the piroplasms Babesia caballi and Theileria equi among reintroduced Przewalski's horses (takhi, Equus ferus przewalskii) in comparison with horses (Equus caballus) of nomads from around Hustai National Park in Mongolia and to determine the mortality among takhi during 2012 to 2015. The prevalence of T. equi was high in 2014 at 80% among nomadic horses and 84% among takhi. We found no evidence of B. caballi infection among takhi...
July 12, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28676905/babesia-theileria-and-hepatozoon-species-in-ticks-infesting-animal-hosts-in-romania
#10
Martin O Andersson, Conny Tolf, Paula Tamba, Mircea Stefanache, Gabriel Radbea, Franz Rubel, Jonas Waldenström, Gerhard Dobler, Lidia Chițimia-Dobler
Babesia spp., Theileria spp., and Hepatozoon spp. are tick-transmitted apicomplexan parasites that cause several important diseases in animals. To increase current knowledge about the diversity of tick-transmitted pathogens in Romania, we investigated the occurrence of Babesia spp., Theileria spp., and Hepatozoon spp. in a wide range of tick species infesting animal hosts. We collected 852 ticks from 10 different animal species from 20 counties in Romania. The assessment was based on detection of parasite DNA by PCR...
August 2017: Parasitology Research
https://www.readbyqxmd.com/read/28674885/red-blood-cells-in-clinical-proteomics
#11
Ana Sofia Carvalho, Manuel S Rodriguez, Rune Matthiesen
Red blood cells (RBCs) are known for their role in oxygen and carbon dioxide transport. The main function of RBCs is directly linked to many diseases that cause low oxygen levels in tissues such as congenital heart disease in adults, chronic obstructive pulmonary disease, sleep apnea, sickle cell disease, etc. Red blood cells are a direct target for a number of parasitic diseases such as malaria (Plasmodium) and similar parasites of the phylum Apicomplexa (Toxoplasma, Theileria, Eimeria, Babesia, and Cryptosporidium)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28673460/a-survey-of-canine-haemoprotozoan-parasites-from-turkey-including-molecular-evidence-of-an-unnamed-babesia
#12
Munir Aktas, Sezayi Ozubek
Canine tick-borne apicomplexan parasites have emerged in recent years, showing a wider geographic distribution and increased global prevalence. A reverse line blot assay was performed on 219 blood samples collected from domestic dogs for simultaneous detection of all named canine piroplasm species as well as Hepatozoon canis. Ten samples hybridized to the Theileria/Babesia and Babesia catch all probes but did not hybridize to any species-specific probe tested, suggesting the presence of an unrecognized Babesia species or genotype...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28671533/identification-of-immediate-early-gene-products-of-bovine-herpes-virus-1-bhv-1-as-dominant-antigens-recognized-by-cd8-t-cells-in-immune-cattle
#13
Jane Hart, Niall D MacHugh, Tara Sheldrake, Morten Nielsen, W Ivan Morrison
In common with other herpes viruses, bovine herpes virus 1 (BHV-1) induces strong virus-specific CD8 T-cell responses. However, there is a paucity of information on the antigenic specificity of the responding T-cells. The development of a system to generate virus-specific CD8 T-cell lines from BHV-1-immune cattle, employing Theileria-transformed cell lines for antigen presentation, has enabled us to address this issue. Use of this system allowed the study to screen for CD8 T-cell antigens that are efficiently presented on the surface of virus-infected cells...
July 3, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28668608/babesia-bovis-bov57-a-theileria-parva-p67-homolog-is-an-invasion-related-neutralization-sensitive-antigen
#14
Takahiro Ishizaki, Thillaiampalam Sivakumar, Kyoko Hayashida, Hitoshi Takemae, Bumduuren Tuvshintulga, Tserendorj Munkhjargal, Azirwan Guswanto, Ikuo Igarashi, Naoaki Yokoyama
Babesia bovis BOV57, which is a homolog of the Theileria parva vaccine candidate antigen P67, is expressed in both the tick and blood stages of the life cycle of this parasite. However, the vaccine potential of BOV57 remained to be investigated. In the present study, we generated recombinant BOV57 (rBOV57) and prepared polyclonal antibodies against rBOV57 in mice and rabbits. Indirect immunofluorescence assays conducted with the mouse anti-rBOV57 antibody demonstrated that BOV57 localized at the apical end of paired merozoites in infected bovine red blood cells, whereas the antigen was found in the parasite membrane around the apical end of intraerythrocytic single and extracellular merozoites...
June 28, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28655583/evaluation-of-the-inhibitory-effect-of-n-acetyl-l-cysteine-on-babesia-and-theileria-parasites
#15
Mohamed Abdo Rizk, Shimaa Abd El-Salam El-Sayed, Mahmoud AbouLaila, Naoaki Yokoyama, Ikuo Igarashi
N-acetyl-L-cysteine is known to have antibacterial, antiviral, antimalarial, and antioxidant activities. Therefore, the in vitro inhibitory effect of this hit was evaluated in the present study on the growth of Babesia and Theileria parasites. The in vitro growth of Babesia bovis, Babesia bigemina, Babesia divergens, Theileria equi, and Babesia caballi that were tested was significantly inhibited (P < 0.05) by micromolar concentrations of N-acetyl-L-cysteine. The inhibitory effect of N-acetyl-L-cysteine was synergistically potentiated when used in combination with diminazene aceturate on B...
August 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28651947/molecular-identification-and-characterization-of-piroplasm-species-in-hokkaido-sika-deer-cervus-nippon-yesoensis-japan
#16
Elzahara Elbaz, Mohamed Abdallah Mohamed Moustafa, Kyunglee Lee, Wessam Mohamed Ahmed Mohamed, Ryo Nakao, Michito Shimozuru, Mariko Sashika, Emad Elsayed Ahmed Younis, Sabry Ahmed El-Khodery, Toshio Tsubota
Babesia and Theileria species are tick-borne protozoan parasites that have a veterinary and zoonotic importance. In order to investigate the prevalence and genetic diversity of these parasites, a total of 269 sika deer blood DNA samples collected from Hokkaido, Japan, were examined for Babesia and Theileria species by touch-down PCR targeting the 18S rRNA gene. Reverse line blot (RLB) hybridization was then used to detect 12 piroplasm species. The results revealed that 95.5% (257/269), 94.1% (253/269), 14.1% (38/269), 87...
August 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28650978/a-study-of-ticks-and-tick-borne-livestock-pathogens-in-pakistan
#17
Shahid Karim, Khemraj Budachetri, Nabanita Mukherjee, Jaclyn Williams, Asma Kausar, Muhammad Jawadul Hassan, Steven Adamson, Scot E Dowd, Dmitry Apanskevich, Abdullah Arijo, Zia Uddin Sindhu, Muhammad Azam Kakar, Raja Muhammad Dilpazir Khan, Shafiq Ullah, Muhammad Sohail Sajid, Abid Ali, Zafar Iqbal
BACKGROUND: As obligate blood-feeding arthropods, ticks transmit pathogens to humans and domestic animals more often than other arthropod vectors. Livestock farming plays a vital role in the rural economy of Pakistan, and tick infestation causes serious problems with it. However, research on tick species diversity and tick-borne pathogens has rarely been conducted in Pakistan. In this study, a systematic investigation of the tick species infesting livestock in different ecological regions of Pakistan was conducted to determine the microbiome and pathobiome diversity in the indigenous ticks...
June 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28638376/first-molecular-detection-of-piroplasm-infection-in-pet-dogs-from-gansu-china
#18
Qingli Niu, Jifei Yang, Zhijie Liu, Shandian Gao, Yuping Pan, Guiquan Guan, Yuefeng Chu, Guangyuan Liu, Jianxun Luo, Hong Yin
Babesiosis, the hemolytic disease caused by Babesia, which is a tick-transmitted obligate intraerythrocytic protozoan parasite. This disease is responsible for significant mortality and morbidity rates and enormous economic losses to the livestock industry in tropical and subtropical regions worldwide. In this study, blood samples were collected from 141 pet dogs from Gansu, China, and analyzed for Babesia or Theileria spp. infection using specific PCR and sequencing based on 18S rRNA gene fragments. The results indicated that 18S rRNA gene sequences from 11 samples were similar to the 18S rRNA gene sequences in Babesia canis vogeli (2) and Theileria sinensis (9)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28620610/molecular-detection-of-tick-borne-pathogen-diversities-in-ticks-from-livestock-and-reptiles-along-the-shores-and-adjacent-islands-of-lake-victoria-and-lake-baringo-kenya
#19
David Omondi, Daniel K Masiga, Burtram C Fielding, Edward Kariuki, Yvonne Ukamaka Ajamma, Micky M Mwamuye, Daniel O Ouso, Jandouwe Villinger
Although diverse tick-borne pathogens (TBPs) are endemic to East Africa, with recognized impact on human and livestock health, their diversity and specific interactions with tick and vertebrate host species remain poorly understood in the region. In particular, the role of reptiles in TBP epidemiology remains unknown, despite having been implicated with TBPs of livestock among exported tortoises and lizards. Understanding TBP ecologies, and the potential role of common reptiles, is critical for the development of targeted transmission control strategies for these neglected tropical disease agents...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28617666/parasitic-diseases-of-camels-in-iran-1931-2017-a-literature-review
#20
Alireza Sazmand, Anja Joachim
Parasitic diseases of camels are major causes of impaired milk and meat production, decreases in performance or even death. Some camel parasites also represent a threat to human health. About 171,500 one-humped camels (Camelus dromedarius) and 100-300 two-humped camels (Camelus bactrianus) live in Iran. Knowledge of the biodiversity of their parasites is still limited. The present review covers all information about camel parasitic diseases in Iran published as dissertations and in both Iranian and international journals from 1931 to February 2017...
2017: Parasite: Journal de la Société Française de Parasitologie
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